<?php

namespace backend\models;

use yii\base\Model;
use yii\data\ActiveDataProvider;
use backend\models\Teacher;

/**
 * TeacherSearch represents the model behind the search form of `backend\models\Teacher`.
 */
class TeacherSearch extends Teacher
{
    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['ID', 'XXID', 'BMID', 'ZYID', 'GRID'], 'integer'],
            [['GH', 'GWMC', 'ZW', 'ZC', 'RZSJ', 'LRSJ', 'BZ', 'ZT'], 'safe'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Teacher::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'ID' => $this->ID,
            'XXID' => $this->XXID,
            'BMID' => $this->BMID,
            'ZYID' => $this->ZYID,
            'GRID' => $this->GRID,
            'RZSJ' => $this->RZSJ,
            'LRSJ' => $this->LRSJ,
        ]);

        $query->andFilterWhere(['like', 'GH', $this->GH])
            ->andFilterWhere(['like', 'GWMC', $this->GWMC])
            ->andFilterWhere(['like', 'ZW', $this->ZW])
            ->andFilterWhere(['like', 'ZC', $this->ZC])
            ->andFilterWhere(['like', 'BZ', $this->BZ])
            ->andFilterWhere(['like', 'ZT', $this->ZT]);

        return $dataProvider;
    }
}
